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The 'Poker Face' singer, who recently re-united with ex-boyfriend Carl, is believed to have told friends that she wants to get married to him in a New York ceremony, followed by a five-day party in Europe.
A friend of the star told Look magazine: "She's not going to spare any expense with this wedding and wants a Cirque du Soleil-style troupe, fireworks and every day of the wedding to have a different theme.
"She wants a seven-foot wedding cake which she plans to get Dita Von Teese to jump out of and perform a burlesque dance, and Sir Elton John to serenade them.
"They've ordered matching lucky horseshoe wedding rings - just like Elvis Presley had - because Luc is a huge fan."
